Render widgets on framebuffer

assets/qml/Dashboard/WidgetDelegate.qml

@@ -51,6 +51,7 @@ Item {
         WidgetLoader {
             id: loader
             widgetIndex: root.widgetIndex
+            renderTarget: PaintedItem.FramebufferObject
             anchors {
                 fill: parent
                 leftMargin: window.borderWidth
@@ -113,6 +114,7 @@ Item {
                     widgetIndex: root.widgetIndex
                     widgetVisible: _window.visible
                     anchors.margins: _window.radius
+                    renderTarget: PaintedItem.FramebufferObject
                 }
             }
 

assets/qml/Widgets/Terminal.qml

@@ -145,6 +145,7 @@ Item {
             maximumBlockCount: 12000
             font.family: app.monoFont
             autoscroll: Cpp_IO_Console.autoscroll
+            renderTarget: PaintedItem.FramebufferObject
             wordWrapMode: Text.WrapAtWordBoundaryOrAnywhere
             placeholderText: qsTr("No data received so far") + "..."
 

src/UI/WidgetLoader.cpp

@@ -51,10 +51,11 @@ WidgetLoader::WidgetLoader(QQuickItem *parent)
     , m_widgetVisible(false)
     , m_isExternalWindow(false)
 {
-    // Set item flags
-    setFlag(ItemHasContents, true);
-    setFlag(ItemIsFocusScope, true);
-    setFlag(ItemAcceptsInputMethod, true);
+    // Set render flags
+    setOpaquePainting(true);
+    setAcceptHoverEvents(true);
+    setRenderTarget(FramebufferObject);
+    setPerformanceHints(FastFBOResizing);
     setAcceptedMouseButtons(Qt::AllButtons);
 
     // Resize widget to fit QML item size
@@ -66,6 +67,9 @@ WidgetLoader::WidgetLoader(QQuickItem *parent)
     // Automatically update the widget's visibility
     connect(Dashboard::getInstance(), &Dashboard::widgetVisibilityChanged, this,
             &WidgetLoader::updateWidgetVisible);
+
+    // Draw widget
+    QTimer::singleShot(0, this, SLOT(update()));
 }
 
 /**

src/Widgets/Terminal.cpp

@@ -57,10 +57,12 @@ Terminal::Terminal(QQuickItem *parent)
     , m_copyAvailable(false)
     , m_textEdit(new QPlainTextEdit)
 {
-    // Set item flags
-    setFlag(ItemHasContents, true);
-    setFlag(ItemAcceptsInputMethod, true);
-    setFlag(ItemIsFocusScope, true);
+    // Set render flags
+    setAntialiasing(true);
+    setOpaquePainting(true);
+    setAcceptHoverEvents(true);
+    setRenderTarget(FramebufferObject);
+    setPerformanceHints(FastFBOResizing);
     setAcceptedMouseButtons(Qt::AllButtons);
     m_escapeCodeHandler.setTextEdit(textEdit());
 
@@ -100,6 +102,9 @@ Terminal::Terminal(QQuickItem *parent)
 
     // React to widget events
     connect(textEdit(), SIGNAL(copyAvailable(bool)), this, SLOT(setCopyAvailable(bool)));
+
+    // Draw widget
+    QTimer::singleShot(0, this, SLOT(update()));
 }
 
 /**